Last name ワシントン (Washington 
, ワシントン 
) , throughout the world, is a widespread family name. The family name ワシントン is habitual in Marshall Islands, where it is a common surname, the United States, where it is quite a common surname, and Liberia (explore the name in all countries). In absolute terms, the name is most common in the United States, the United Kingdom, and Canada. Also, ワシントン is the forename as well as the last name.